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  • Operations on multiple overlapping layers not working

    - by Arun
    Hi I am developing a game in android just like Farmville by Zinga. In that game we have to place elements in the diamond shaped field so the don't overlap each other. Now I did coding for placing the field inside the farm field but I cannot stop the problem of overlapping of the farm field. I Am attaching the code that I have down for all this someone please help me.... try{ if(bm1.getPixel((int)initX,(int)initY)!=0){ if(bm1.getPixel((int)initX,(int)initY+20)!=0){ if(bm1.getPixel((int)initX-20,(int)initY)!=0){ if(bm1.getPixel((int)initX+20,(int)initY)!=0){ if(bm1.getPixel((int)initX,(int)initY-20)!=0){ c.drawBitmap(bm,initX-30,initY-20, paint); } } } } } }catch(Exception e) { Toast.makeText(getContext(), e.toString(), Toast.LENGTH_SHORT); }

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  • Dell Vostro 1510 trackpad

    - by user18055
    A week ago I moved totally from Windows 7 to Ubuntu. I've been really happy with the transition bar one annoying glitch. My trackpad sometimes works, sometimes doesn't. All other hardware including peripherals work flawlessly, including a Logitech ball mouse, Wacom Bamboo pen and touch and wireless Logitech keyboard and mouse combo. I can't see any pattern to when and why the trackpad works. Occasionally on rebooting, it will work, but then I can reboot 10x in a row and it won't work, then I leave it a day, then reboot and it works flawlessly. Any ideas on a solution or appropriate method for me to deb it? My knowledge of Ubuntu/Linux is sketchy at best so I could do with a little help :)

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  • We Heart Discussion Forums (and Know You Do Too)

    - by oracletechnet
    It's not generally known, but Oracle (via Oracle Technology Network) hosts one of the largest discussion forums instances (forums.oracle.com) on the planet (founded in 2001), containing nearly 10 million messages from 1 million registered users. That's a whole lot of conversations! And we really, really value those conversations - they span almost every conceivable technical subject across hundreds of products and technologies. More often not - and this is by design - those discussions are stewarded by community volunteers, many of whom are Oracle ACEs (who in fact earned their ACE stripes that way). And so, I am very happy to tell you that we have just initiated a project with our platform partner, Jive Software, to upgrade that platform to the most current, modern version available. The end result should be a vastly improved user experience for everyone involved, in all dimensions. There are many, many details to work on in coming weeks, but we'll keep you posted - and, when needed, come back to you for advice and suggestions. For now, we just wanted to share the good news!

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  • Futures/Monads vs Events

    - by c69
    So, the question is quite simple: in an application framework, when performance impact can be ignored (10-20 events per second at max), what is more maintainable and flexible to use as a preferred medium for communication between modules - Events or Futures/Promices/Monads ? Its often being said, that Events (pub/sub, mediator) allow loose-coupling and thus - more maintainable app... My experience deny this: once you have more that 20+ events - debugging becomes hard, and so is refactoring - because it is very hard to see: who, when and why uses what. Promices (i'm coding in javascript) are much uglier and dumber, than Events. But: you can clearly see connections between function calls, so application logic becomes more straight-forward. What i'm afraid. though, is that Promices will bring more hard-coupling with them... p.s: the answer does not have to be based on JS, experience from other functional languages is much welcome.

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  • Record and display Kinect audio and video via avconv

    - by ThomasH
    I'm trying to record audio and video from a Kinect using avconv but I seem to have trouble specifying the right options. avconv -f video4linux2 -video_size 640x480 -c:v h264 -c:a ac3 -i /dev/video1 test.mp4 results in: avconv: /build/buildd/libav-extra-0.8.3ubuntu0.12.04.1/libav/libavutil/mathematics.c:79: av_rescale_rnd: Assertion `c > 0' failed. Aborted (core dumped) Cheese is perfectly happy recording the audio and video from the Kinect, so it's not a setup issue. For added fun, I also need to display the video at the same time.

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  • What are the benefits of Android way of "saving memory" - explicitly passing Context objects everywhere?

    - by Sarge Borsch
    Turned out, this question is not easy to formulate for me, but let's try. In Android, pretty much any UI object depends on a Context, and has defined lifetime. It also can destroy and recreate UI objects and even whole application process at any time, and so on. This makes coding asynchronous operations correctly not straightforward. (and sometimes very cumbersome) But I never have seen a real explanation, why it's done that way? There are other OSes, including mobile OSes (iOS, for example), that don't do such things. So, what are the wins of Android way (Activities & Contexts)? Does that allow Android applications to use much less RAM, or maybe there are other benefits?

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  • Seperate .com domain name purchasing for a VPS

    - by adamk
    I am looking at getting a VPS with RackSRV, and they don't sell domain names, but are happy to set it up after I get one elsewhere. Can anyone recommend somewhere I can purchase just the domain, and not have any hassles moving it afterwards? (Or can I just purchase the domain and make it point at the RackSRV ip address, while still using the domain sellers' control panel? I don't really understand that part of it enough! :)) I want the domain name registered in my name, ideally with myself as the technical and administrative contacts for simple transfers.

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  • Switching my legacy desktop back to Windows XP from Windows 7

    - by Kevin Shyr
    I was happy with Windows 7 at the beginning, until I started to add in the peripherals.  Windows 7 was never able to recognize any of my PCI video card (I know, I know, we should be in the DVI age). Anyway, I went through another 4 days of trouble setting my computer up with dual monitor in XP (also did a bunch of other things like getting rid of my sound card and taking the computer off RAID. Kind of feel stupid to put the computer on RAID in the first place because now I can have 2 drives: double the page files program seems to run faster Microsoft Sync toy 2.1 takes care of my backup needs (Thank god they solved the network drive issue) As of last night, the system is running beautifully.  I still have a laptop with Windows 7, but even that is in dual boot mode.

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  • Friday Tips #34

    - by Chris Kawalek
    Happy Friday! I wanted to take the opportunity this week to not give out a tip per se, but to point you to a really fantastic white paper that you might have missed. It's called What It Takes to Deploy and Manage a Private Cloud with Oracle VM. The paper is filled with useful information and it's written in a really entertaining style, tackling the IT challenges of a friendly systems administrator named Dave. It gives a great overview of application-driven virtualization and covers Oracle VM, Oracle VM Templates, Oracle VM Storage Connect, and Oracle Enterprise Manager. Read the white paper What It Takes to Deploy and Manage a Private Cloud with Oracle VM. See you next week! -Chris 

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  • What is the annoying/lacking feature in C#, in your opinion?

    - by Vimvq1987
    To be honest, I'm working with C# everyday, and I can say that I love its elegant syntax. But no language is perfect, so does C#. In my opinion, these two features are missing: Full-featured enum. I was pretty happy with enum in C#, until I know about enum in Java. Of course, we can "simulate" a full-featured enum in C# by class, but it's much better if Microsoft simplify this. Immutable keyword. We are told to let a class/struct immutable whenever possible. But to do that, we have to add readonly keyword to every field, and then if we add setter by a mistake, our class will be mutable, and nobody knows. By immutable keyword, every field will be automatically readonly, and any setter will be prohibited (error when compile). It's like static keyword added to class in C# 2.0 well. what's is your annoying/lacking feature in C#?

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  • G+ Platform Office Hours -- Retrieving Profile Information with the Sign In Button

    G+ Platform Office Hours -- Retrieving Profile Information with the Sign In Button Join us for a live coding demo of the sign in button and how to retrieve profile information using it! Or skip ahead to what you really care about: Meet your presenters: goo.gl Render the Sign-In Button: goo.gl Add a Client ID: goo.gl See Sign-In Render: goo.gl Grab the user resource (with live XHR/REST debugging*!): goo.gl Retrieve and render the user resource: goo.gl *If you don't feel you need a debugging crash course, feel free to skip from 10:14 to 18:30. :) From: GoogleDevelopers Views: 659 17 ratings Time: 29:39 More in Science & Technology

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  • Choice Sessions: Java Champions at JavaOne

    - by Tori Wieldt
    There are so many reasons to attend JavaOne 2012 – great location, great networking opportunities but most importantly, great content! It’s tough to decide which sessions will be worth your while, but we advise you to start your decision making process by checking out sessions delivered by the 21 Java Champions attending and presenting at JavaOne. Java Champions are selected by their peers for their incredible contributions to the Java community and demonstration of their technical expertise in all aspects of Java. Our friend Markus Eisele @myfear has already kindly compiled a list in his blog entry Java Champions at JavaOne 2012 (thanks!). Happy schedule building!

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  • Why does Facebook convert PHP code to C++?

    - by user72245
    I read that Facebook started out in PHP, and then to gain speed, they now compile PHP as C++ code. If that's the case why don't they: Just program in c++? Surely there must be SOME errors/bugs when hitting a magic compiler button that ports PHP to c++ code , right? If this impressive converter works so nicely, why stick to PHP at all? Why not use something like Ruby or Python? Note -- I picked these two at random, but mostly because nearly everyone says coding in those languages is a "joy". So why not develop in a super great language and then hit the magic c++ compile button?

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  • what is the purpose of arrows?

    - by Simon
    I am learning functionnal programming with Haskell, and I try to grab concepts by first understanding why do I need them. I would like to know the goal of arrows in functional programming languages. What problem do they solve? I checked http://en.wikibooks.org/wiki/Haskell/Understanding_arrows and http://www.cse.chalmers.se/~rjmh/afp-arrows.pdf. All I understand is that they are used to describe graphs for computations, and that they allow easier point free style coding. The article assume that point free style is generally easier to understand and to write. This seems quite subjective to me. In another article (http://en.wikibooks.org/wiki/Haskell/StephensArrowTutorial#Hangman:_Main_program), a hangman game is implemented, but I cannot see how arrows makes this implementation natural. I could find a lot of papers describing the concept, but nothing about the motivation. What I am missing?

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  • What are interesting research questions with regards to open source software development? [closed]

    - by Aron Lindberg
    Imagine you have funding for a team of social scientists to study open source software development for a number of years (long time in software development, I know, but a short time for scientific research). These scientists have competencies to investigate psychological and sociological aspects of open source software development (i.e. how coders think, feel, and behave, along with how communities work or do not work). They are also technically equipped to understand code and coding, have access to all sorts of statistical and machine learning techniques, however their focus is on social aspects of open source software development, not technical. For you, as an open source software developer, what would be the research questions that would be interesting for you to have answered by such a group of scientists?

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  • LL(8) and left-recursion

    - by Peregring-lk
    I want to understand the relation between LL/LR grammars and the left-recursion problem (for any question I know parcially the answer, but I ask them as I don't know nothing, because I am a little confused now, and prefer complete answers) I'm happy with sintetized or short and direct answers (or just links solving it unambiguously): What type of language isn't LL(8) languages? LL(K) and LL(8) have problems with left-recursion? Or only LL(k) parsers? LALR(1) parser have troubles with left or right recursion? What type of troubles? Only in terms of the LL/LALR comparision. What is better, Bison (LALR(1)) or Boost.Spirit (LL(8))? (Let's suppose other features of them are irrelevant in this question) Why GCC use a (hand-made) LL(8) parser? Only for the "handling-error" problem?

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  • What is the best database design for managing historical information? [closed]

    - by Emmad Kareem
    Say you have a Person table with columns such as: ID, FirstName, LastName, BirthCountry, ...etc. And you want to keep track of changes on such a table. For example, the user may want to see previous names of a person or previous addresses, etc. The normalized way is to keep names in separate table, addresses in a separate table,...etc. and the main person table will contain only the information that you are not interested in monitoring changes for (such information will be updated in place). The problem I see here, aside form the coding hassle due to the extensive number of joins required in a real-life situation, is that I have never seen this type of design in any real application (maybe because most did not provide this feature!). So, is there a better way to design this? Thanks.

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  • How to setup an intranet in ubuntu using wifi?

    - by ved2254
    I want to set up a VPN on my laptop but I don't know what and how to set it. My requirements are : Intranet with a customizable list of shared folders. Intranet outsourced via computer wifi. Possibly assigning individual private IP addresses to all connected. Facility to share internet (if hassel free). Can I do this using Gnome Network Manager or do I need another program? I'll be happy even if I get one folder to share for the time being and no internet if I could only outsource one file/folder.

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  • ASP.NET Tooltips Extender Control

    Tooltips is always a good usability practice to display descripitve and meaningful message on UI, which provide guidance and extra information to users visually. However, I cannot find this kind of handy "control" in the latest version (40412) of the AJAX control toolkit. (Feature request?) The traditional HTML "title" or "tooltips" tag of control cannot make the users (nor even developers) happy, so I searched and found this Tooltip Extender control today. It is nice and handy for...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Horizontal title bar shadow while in full screen

    - by Atcold
    While in full screen the horizontal shadow of the title bar (I am not too sure about its name) appears on top of everything. How can I get rid of it? It's quite distracting while coding in Guake mode and annoying while watching movies. In the picture I've setup Guake with some transparency (that's why you can see things underneath), but the shadow is on the top of everything while I am in fullscreen. This, as I have already said, happens to me both while I am watching movies or programming in fullscreen mode. This usually happens after awaking the laptop from hibernation. Now it looks like it has gone, but I am still wandering if someone knows something about it. And here back it is :[ I'm running Ubuntu 13.04

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  • Simple Hierarchical Clustering Implementations for C#?

    - by Joshua Smith
    I need a C# library that can do hierarchical single/complete link clustering. It's for a BSc final year project and I can't find any free implementations. I'd be happy to port a small(ish) Java project to C#, but most of the Java implementations are contained within huge libraries that have 30+ algorithms. The problem with large libraries is that one has to port 50% of the entire library due to dependency fanout. I'd be extremely grateful if anyone knows of any free single/complete link clustering implementations for C# or a small Java implementation of either! By the way, as I am a student, it may be possible to ask for an academic/research license from commercial companies.

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  • How to add a daemon to a quickly project

    - by darkrex1986
    Currently I'm developing an application with quickly which is divided in two parts: A graphical UI where the user could configure some things, and a daemon which do the most work in the background. I started with the UI, to create some windows for settings and so on. Now I want to start coding the daemon, but I have no clue how to implement the daemon in my quickly project. Could I simply paste the files of the daemon in project folder or is there an implementation method for adding new files to a quickly project? Or do I have to create a new project and merge them together?

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  • Linux Programmer moving to Windows

    - by cytinus
    I am a fairly proficient Linux programmer. I have been coding in Linux for 4 years, for both personal reasons and for profit. During those 4 years I have not even owned a computer running the Windows operating system. I am looking to expand my horizons into Windows programming, but am finding myself overwhelmed with the lack of what I perceive to be standardization. I feel as though different compilers follow different conventions, and all of the worthwhile IDEs cost money. Whats worse is that so many of the Tutorials are just terrible. If anyone else has taken the switch from Linux to Windows programming, what was the most helpful. What are the most straightforward IDEs and tutorials for using the API. I am looking to do mainly C and C++ development, along with some x86. I have found MASM primarily suits my needs for the latter.

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  • New Oracle Cloud support in OEPE

    - by gstachni
    Oracle Enterprise Pack for Eclipse 12c (12.1.1.1.1) includes updated support for development with the Java Cloud Service. Users can now do iterative development against their Java Cloud Service instance in addition to testing against local and remote WebLogic Server installations. Some details of the cloud tools are below: Templates and wizards to create projects and server configurations for Oracle Java Cloud Service Develop applications to run and deploy to the cloud, including Oracle ADF. Check cloud server runtime and deployment logs in new log analyzers Test applications before deployment with integrated whitelist scans. Whitelist tools support as-you-type validation, project build validation, and on demand scans to highlight coding violations. Errors are reported in application source, the Problems view, and a new Whitelist violations view. Access the Oracle Public Cloud administrative consoles directly from within Eclipse.

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  • How do you know when to change jobs? [closed]

    - by dustyprogrammer
    Possible Duplicate: When do you know it's time to move on from your current job? I have been working for a couple years now. I just want to know what people think about leaving one company for another, or to start looking around for other positions. I tend to use people's resumes as a guideline for when to change from one company to another. I am approaching, the time in my life where most of those people I look too, move away from their first position to pursue others. I know that isn't something good to base my decisions on what other do. I was wondering when is it time to move companies. I am currently happy at my position, and I am learning tons. Its just something I have been seeing a lot, I would like to get a feel for what people think. Thanks.

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